#include<stdio.h>
#include<stdlib.h>

int main()
{
	int i,j;
	int x=10;
	int y=20;
	int velocity_x=1;
	
	for (x=1;x<10;x++)
	{
		system ("cls");
		for (i=0;i<x;i++)
			printf("\n");
		for (j=0;j<y;j++)
			printf(" ");
		printf("o\n");
	}
	return 0;
}